Kalendaryo ng Karera Fuji International Speedway Circuit 2021
| Petsa | Serye ng Karera | Biluhaba | Pangalan ng Kaganapan |
|---|---|---|---|
| 30 January - 30 January | KYOJO CUP Natapos | Round 1 | Round 1 |
| 30 January - 30 January | Serye ng Inter Proto Natapos | Round 1 | |
| 13 February - 13 February | Eco Car Cup Natapos | Round 1 | |
| 3 April - 4 April | Super Formula Natapos | Round 1 | |
| 3 May - 4 May | PCCJ - Porsche Carrera Cup Japan Natapos | R03 & R04 | |
| 8 May - 8 May | Mini Challenge Japan Natapos | Round 1 | |
| 9 May - 9 May | Lotus Cup Japan Natapos | Round 1 | |
| 5 June - 6 June | KYOJO CUP Natapos | Round 2 | Round 2 |
| 5 June - 6 June | Serye ng Inter Proto Natapos | Round 2 | |
| 25 September - 26 September | KYOJO CUP Natapos | Round 4 | Round 4 |
| 25 September - 26 September | Formula Regional Japanese Championship Natapos | Round 4 | |
| 25 September - 26 September | Serye ng Inter Proto Natapos | Round 4 | |
| 17 October - 17 October | Porsche Sprint Challenge sa Japan Natapos | ||
| 31 October - 31 October | Lotus Cup Japan Natapos | Round 5 | Japan Lotus Day |
| 11 December - 12 December | KYOJO CUP Natapos | Round 5 | Round 5 |
| 11 December - 12 December | Mini Challenge Japan Natapos | Round 5 | |
| 11 December - 12 December | Serye ng Inter Proto Natapos | Round 5 |